2、有些表示说话的动词如:explain, express, describe, disclose, announce, introduce, mention, point out, report, repeat, suggest, say, shout, whisper等,它们不是带双宾语的及物动词,用这种动词表示对谁说话时,要跟由介词to 引导的介词短语,不管这种短语是位于直接宾语之前或之后。
Eg. Our teacher explained to us the difficult words.
He disclosed to them the secret of his invention.
3、There be (存在)“有”
have 表示从属关系的“有”
但当表示事物的特征时,可以互换。